Blame SOURCES/0003-report-the-correct-size-for-partitions.patch
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From 560ee483a9ff0fbaa130e70573c7f27ba7a413ad Mon Sep 17 00:00:00 2001
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From: Maurizio Lombardi <mlombard@redhat.com>
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Date: Fri, 19 Oct 2018 10:52:01 +0200
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Subject: [PATCH] report the correct size for partitions
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If you use a partition instead of the whole device as the backstore device,
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rtslib will always report its size as 0 bytes.
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This happens because rtslib tries to read the "queue/logical_block_size"
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attribute, which can only be found in the parent's node.
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This patch fixes the bug by loading the parent node's attributes if
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it detects that the device is a partition.
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Signed-off-by: Maurizio Lombardi <mlombard@redhat.com>
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---
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rtslib/utils.py | 3 +++
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1 file changed, 3 insertions(+)
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diff --git a/rtslib/utils.py b/rtslib/utils.py
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index b4e68fb..eff2205 100644
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--- a/rtslib/utils.py
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+++ b/rtslib/utils.py
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@@ -134,6 +134,9 @@ def _get_size_for_dev(device):
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except (KeyError, UnicodeDecodeError, ValueError):
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return 0
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+ if device['DEVTYPE'] == 'partition':
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+ attributes = device.parent.attributes
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+
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try:
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logical_block_size = attributes.asint('queue/logical_block_size')
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except (KeyError, UnicodeDecodeError, ValueError):
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--
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1.8.3.1
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